What is a human being? What is life? Can science give us reliable answers to such questions? The electricity of life. The meaning of human consciousness. Are we alone? Are the traditional contests between science and religion still relevant? Does the word "spirit" still hold meaning today?

A paper published in the journal Science reviewed 60 studies from around the world, all finding a close relationship between climate events such as monsoons and heatwaves and the incidence of violence.